Castrator



March 25, 1941. B, GARDENER 2,235,923

CASTRATOR Filed Sept. 5, 1959 2? 25 amei m" @7281; pull/1 w 24 BY wr.

ATTORNEYS Patented Mar. 25, 1941 UNITED STATES ATEJNT O'FFIC .1;

1 Claim.

This invention relates to "castrators for operating upon calves, hulls andhorses, and has for an object to provide a tool of this character which will be easy to handle, which will be so construct- 5 ed that the operators fingers or hands cannot become pinched by any of the working parts, and which will have novel resilient jaws, the ends of which terminate in working faces disposed obliquely to the longitudinal axis of the tool and oifset to one side of the longitudinal axis so that when the jaws are closed the faces will have sliding action relatively to each other to sever the testicle cord and push the severed ends of the cord away from each other, without cutting or injuring the scrotum.

A further object is to provide a device of this character which will be formed of a few strong simple and durable parts, which will be inexpensive to manufacture, and which will not easily get out of order.

With the above and other objects in view the invention consists of certain novel details of con struction and combinations of parts hereinafter fully described and claimed, it being understood 25 that various modifications may be resorted to within the scope of the appended claim without departing from the spirit or sacrificing any of the advantages of the invention.

In the accompanying drawing forming a part of this specification:

Figure 1 is a side eievation of a castrator constructed in accordance with the invention and showing with the jaws closed.

Figure 2 is a side elevation of the device shown 35 with the jaws open.

Figure 3 is an end elevation of the device.

Figure 4 is a top plan view of the device.

Figure 5 is a cross sectional view taken on the line 55 of Figure 1.

Figure 6 is a top plan view of a modified form of jaws.

Figure 7 is a fragmentary side elevation of the jaws shown in Figure 6.

Figure 8 is a fragmentary side elevation of the jaws shown in Figure 1, and showing the same in operative position to sever the cord without injury to the scrotum.

Referring now to the drawing in which like characters of reference designate similar parts in the various views, Ill designates a pair of substantial straight levers pivoted together at the lower ends through the medium of a pivot pin H passed through hinge ears I2 formed in the curved lower end l3 of one of the levers, and in 55 the straight lower end l4 of the other lever. A

leaf spring Iii is disposed between both levers, one endof thespri-ng being engaged in a recess I6 in one of the levers. The spring bears against both levers and normally holds the levers open.

The levers terminate in the arcuate jaws ll 5 which when closed define a substantially oval opening between them to allow room for the operators fingers when operating the tool without danger of the fingers being pinched. The jaws are formed of resilient material and terminate in working faces 18 which are disposed obliquely to the longitudinal axis of the tool and are offset to one side of the longitudinal axis of the tool, as best shown in Figure 1. By virtue of the jaws being formed of resilient material, and by virtue of the arrangement of the working faces, when the jaws are closed the working faces slide relatively to each other on the cord, to sever the cord and push the severed ends apart, without injury to the scrotum. 20

A pair of side plates l9 are secured in any preferred manner to the edges of one of the levers I i] and slidably receive the other lever. Both side plates have extensions 28 on one side, best shown in Figures 1 and 2.

A roller 2| is mounted on a pivot pin 9 carried by the head of an operating lever 22, which is pivoted between the extensions 20 through the medium of a pivot pin 8. The head of the operating lever 22 is cut away at one corner as 30 shown at 1 to receive the roller. The roller is adapted to bear against the adjacent lever lil near the base of the respective jaw I1, and when the operating lever 22 is rocked to the open position, shown in Figure 2, the roller 22 will be swung in an are about the pivot pin 8 downwardly to a point underneath the pivot pin to permit the spring I5 to open the jaws. When the operating lever is closed as shown in Figure 1, the roller 2| swings in an are around the pivot pin 8 and cams the adjacent lever I!) toward the opposite lever to close the jaws, thus allowing all levers to be locked together.

The side plates l9 and the extensions 20 thereof co-act in forming a housing which houses all the working parts of the tool. Consequently the operators fingers cannot be caught and pinched by the working parts of the tool while at the same time the housing forms a guide to direct the levers I!) and 22 accurately during their move- 0 ment to open and to close the jaws.

A modified form of jaw is shown in Figures 6 and 7. In this form of the invention the jaws 23 provided with working ends- 24 and the working end of one of the jaws is provided on the sides with flanges 25 which overlap the sides of the other jaw and assist in applying the tool to the parts to be operated upon. The working faces 26 of the jaws in this form of the invention are also inclined obliquely with respect to the longitudinal axis of the tool and are oifset to one side of the longitudinal axis.

In operation, as best shown in Figure 8, the jaws l0 are closed upon the scrotum 2'! and upon the cord 28 to be severed. By firmly closing the operating lever 22 while both the levers l0 and the operating lever 22 are held in the grip of one hand of the operator, the obliquely disposed working faces l8 of the jaws I! will slide relatively to each other, both of the jaws bowing to permit this sliding movement, so that the cord 28 is first crushed, then severed and finally the severed ends pushed away from each other while the skin of the scrotum is held between the working faces of the tool without injury.

From the above description it will be seen that the tool will be easy to handle, will have the working parts housed to prevent pinching of the operator's fingers at any time, which will form a substantial oval opening within the enclosure of the arcuate jaws to receive the fingers of the free hand while manipulating the parts to be operated upon without danger of pinching the fingers and will quickly sever the cord and separate the severed ends without injury to the scrotum.

What is claimed is:

A tool of the class described comprising, levers, means pivotally connecting the levers together at one end, a spring between the levers normally holding the levers spread apart, means for moving the levers against the tension of the spring toward each other, and resilient arcuate jaws on the ends of the levers terminating in flat working faces disposed obliquely to the path of the movement of the jaws, said working faces being oifset from the central longitudinal axis of the tool, both resilient jaws co-acting in yielding relatively to each other to permit the working faces sliding one upon the other when said means is moved to operative position.

BENNETT B. GARDENER. 

